[He's spent the last days sticking near Aramis, making sure he's safe, and more importantly making sure he and Anne are safe together, that they won't be separated -- having that fierce protectiveness for Aramis that he always has, unwilling to accept a situation where he would be separated from her (or from him, for that matter)]
[At the particular moment that Aang and Korra disappear, however, he's alone. And when the event starts to end, and the worlds are crashing together, he lets out a little shout of surprise as he struggles to get back to where he needs to be, but that's quickly stifled when he returns to normal and...]
... What the fuck?! [UM.] [Okay this is a lot to process.]